The ground finches adapted to have larger beaks to eat the bigger seeds in the drier seasons. This means over the years only the bigger beaked finches could survive to reproduce.
Their fur color is very similar to the color of the bark on the eucalyptus tree.
Vapor is your answer my friend
I hope this helps
It is a stage in the water cycle where it takes water off of plants and grass/dew ext. Hope this helps! ;D